The increasing labor cost had eroded the benefit of the manufacturing industry gradually. To revise the business process and to formulate a strategy in order to survival became an important lesson. Since the Supply Chain Council developed the supply chain operations reference (SCOR) model, it was widely applied by many enterprises to describe its relationship within upstream and downstream companies. The supply chain relationship could be strengthened by SCOR where the problems in the inter-organization were formulated and solved. However, the traditional SCOR model had limitation in describing detailed process (so called the third-tier process) and the way to identify the critical problem within the supply chain. This research developed a systematic methodology to evaluate the critical process which combined the SCOR model with TOC (theory of constraints) Logic-Trees. A tool kit was also designed to analyze the supply process systematically which was illustrated by a case study. The result represented that the practicability and benefit of the tool kit. It was also a reference guideline for the manufacture to refine on their business process.
Key words: Supply chain operations reference model, theory of constraints logic-trees, business process reengineering.
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